package com.pure.common.utils;

import lombok.extern.slf4j.Slf4j;

import java.util.HashMap;
import java.util.Map;

/**
 * @description: number format exception
 * @date: 2022-06-09 13:30
 * @since 1.2.0
 **/
@Slf4j
public class NumberFormatExceptionUtil {

    public static void main(String[] args) {

        String key = "key";

        Map<String, String> hashMap = new HashMap<>();
        hashMap.put(key, "null");


        String val = hashMap.get(key);

        log.info("val is {}", val);
    }

}
